laser beam welding ppt

laser beam welding ppt

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mbination power supply /control systems were developed that operated from 110 VAC and were
physically small enough to be carried from place to place on a construction site for multiple in
?place welds. Modern day orbital welding systems offer computer control where welding parameters for
a variety of applications can be stored in memory and called up when needed for a specific
application. The skills of a certified welder are thus built into the welding system, producing
enormous numbers of identical welds and leaving significantly less room for error and defects..

is most commonly used. Research into using dry water welding at depths of up to 1000 m are ongoing.
In general, assuring the integrity of underwater welds can be difficult, especially wet underwater
welds, because defects are difficult to detect.

For the structures being welded by wet underwater welding, inspection following welding may be more
difficult than for welds deposited in air. Assuring the integrity of such underwater welds may be
more difficult, and there is a risk that defects may remain undetected.

The risks of underwater welding include the risk of electric shock to the wel..................[:=> Show Contents <=:]